diff options
Diffstat (limited to 'src/gallium/drivers/i965simple/brw_shader_info.c')
-rw-r--r-- | src/gallium/drivers/i965simple/brw_shader_info.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965simple/brw_shader_info.c b/src/gallium/drivers/i965simple/brw_shader_info.c new file mode 100644 index 0000000..431b454 --- /dev/null +++ b/src/gallium/drivers/i965simple/brw_shader_info.c @@ -0,0 +1,49 @@ + +#include "brw_context.h" +#include "brw_state.h" +#include "pipe/p_util.h" +#include "pipe/p_shader_tokens.h" +#include "pipe/tgsi/util/tgsi_parse.h" + + + + +void brw_shader_info(const struct tgsi_token *tokens, + struct brw_shader_info *info ) +{ + struct tgsi_parse_context parse; + int done = 0; + + tgsi_parse_init( &parse, tokens ); + + while( !done && + !tgsi_parse_end_of_tokens( &parse ) ) + { + tgsi_parse_token( &parse ); + + switch( parse.FullToken.Token.Type ) { + case TGSI_TOKEN_TYPE_DECLARATION: + { + const struct tgsi_full_declaration *decl = &parse.FullToken.FullDeclaration; + unsigned last = decl->u.DeclarationRange.Last; + + assert( decl->Declaration.Declare == TGSI_DECLARE_RANGE ); + + // Broken by crazy wpos init: + //assert( info->nr_regs[decl->Declaration.File] <= last); + + info->nr_regs[decl->Declaration.File] = MAX2(info->nr_regs[decl->Declaration.File], + last+1); + break; + } + case TGSI_TOKEN_TYPE_IMMEDIATE: + case TGSI_TOKEN_TYPE_INSTRUCTION: + default: + done = 1; + break; + } + } + + tgsi_parse_free (&parse); + +} |